mozilla-central/dom/media/mediacontrol/tests/browser/browser_media_control_stop_timer.js (file symbol)

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Test Info: Warnings

// Import this in order to use `triggerPictureInPicture()`.
Services.scriptloader.loadSubScript(
this
);
const PAGE_NON_AUTOPLAY =
const testVideoId = "video";
add_task(async function setupTestingPref() {
await SpecialPowers.pushPrefEnv({
set: [
["media.mediacontrol.testingevents.enabled", true],
["media.mediacontrol.stopcontrol.timer", true],
["media.mediacontrol.stopcontrol.timer.ms", 0],
],
});
});
/**
* This test is used to check the stop timer for media element, which would stop
* media control for the specific element when the element has been paused over
* certain length of time. (That is controlled by the value of the pref
* `media.mediacontrol.stopcontrol.timer.ms`) In this test, we set the pref to 0
* which means the stop timer would be triggered after the media is paused.
* However, if the media is being used in PIP mode, we won't start the stop
* timer for it.
*/
add_task(async function testStopMediaControlAfterPausingMedia() {
info(`open media page`);
const tab = await createLoadedTabWrapper(PAGE_NON_AUTOPLAY);
info(`start media`);
await playMedia(tab, testVideoId);
info(`pause media and the stop timer would stop media control`);
await pauseMediaAndMediaControlShouldBeStopped(tab, testVideoId);
info(`remove tab`);
await tab.close();
});
add_task(async function testNotToStopMediaControlForPIPVideo() {
info(`open media page`);
const tab = await createLoadedTabWrapper(PAGE_NON_AUTOPLAY);
info(`start media`);
await playMedia(tab, testVideoId);
info(`trigger PIP mode`);
const winPIP = await triggerPictureInPicture(tab.linkedBrowser, testVideoId);
info(`pause media and the stop timer would not stop media control`);
await pauseMedia(tab, testVideoId);
info(`pressing 'play' key should start PIP video again`);
await generateMediaControlKeyEvent("play");
await checkOrWaitUntilMediaStartedPlaying(tab, testVideoId);
info(`remove tab`);
await BrowserTestUtils.closeWindow(winPIP);
await tab.close();
});
/**
* The following is helper function.
*/
function pauseMediaAndMediaControlShouldBeStopped(tab, elementId) {
// After pausing media, the stop timer would be triggered and stop the media
// control.
return Promise.all([
new Promise(r => (tab.controller.ondeactivated = r)),
SpecialPowers.spawn(tab.linkedBrowser, [elementId], Id => {
content.document.getElementById(Id).pause();
}),
]);
}